Ultrasonic transducers with Q spoiling
US12059708B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2020 |
| Grant date | Aug 13, 2024 |
| Priority date | — |
| Expiry date | Jan 29, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B2201/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed herein are ultrasonic transducer systems comprising: an ultrasonic transducer comprising a substrate, a diaphragm, and a piezoelectric element; a first electrical circuitry coupled to the ultrasonic transducer, the first electrical circuitry configured for driving the ultrasonic transducer or detecting motion of the diaphragm; a plurality of electrical ports coupled to the ultrasonic transducer; and a second electrical circuitry connected to two or more of the plurality of electrical ports, the electrical circuitry comprising one or more of: a resistor, a capacitor, a switch, and an amplifier, wherein the second electrical circuitry is independent from the first electrical circuitry, and wherein the second electrical circuitry is configured to dampen the motion of the diaphragm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.